The term “atmospheric river” was coined in 1994 and has since quickly gained popularity. But what does it really mean?

A normal atmosphere gets snow, but sometimes changes in temperatures at different layers can cause sleet or freezing rain.

Parts of northern California could see up to a foot of rain, but Phoenix will remain dry and warmer than usual.

Reducing sulphur in the air may inadvertently increase natural emissions of methane from wetlands such as peatlands and swamps, a new study has found. The resulting additional future release of 20-34 ...

In what has become a much-anticipated sight, the morning glory spillway at Lake Berryessa is now active after this week's ...

Scientists are not sure how much metallic dust remained in the atmosphere after the most recent SpaceX rocket 'disassembly.' ...

While the wet weather may bring an end to a devastating run of wildfires in the state, it could also cause flooding and other hazards.

From the warmest year on record to an arctic blast and even snow, marine biologists are concerned about weather and climate ...

A winter weather advisory will be in effect from10 p.m. Wednesday until noon Thursday for South-Central Pennsylvania. A ...

Phil says we'll have six more weeks of winter. Here's a look at how Punxsutawney Phil has called it over the years.

Earth systems models are an important tool for studying complex processes occurring around the planet, such as those in and between the atmosphere and biosphere, and they help researchers and ...

President Donald Trump's drastic personnel moves amount to "highly illegal" activity, according to New York University law professor Ryan Goodman. Trump adviser Elon Musk has been granted ...